#VU85913 Input validation error in ModSecurity - CVE-2024-1019

Vulnerability identifier: #VU85913

Vulnerability risk: Medium

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-1019

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ModSecurity
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Trustwave

Description

The vulnerability allows a remote attacker to bypass WAF rules

The vulnerability exists due to insufficient validation of user-supplied input when processing URL for path-based payloads. A remote attacker can use a specially crafted URL to bypass ModSecurity rules.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ModSecurity: 3.0.0 - 3.0.11

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External links
https://github.com/SpiderLabs/ModSecurity/releases/tag/v3.0.12

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.